9v at Ballast Restor (pic)

Is it normal to have only 10.6v going to the ballast resistor when the key is on? Battery at 12.1v.

When the line is connected to the ballast resistor, it drops to 9.1v and the other side 5.5v.

1970's Electronic ignition. Mix match of several parts on a 1972 Duster.